Ralph is a dim-witted Warners Studio security guard charged with recapturing the Warners and confining them to the water tower. He first appeared in the Tiny Toon Adventures episode "The Buster Bunny Bunch" (though looking different from his final version). He is voiced by Frank Welker. Incidentally, Frank Welker also voiced a security guard called Dimwitty in The New Scooby-Doo Mysteries in 1984. In the movie Wakko's Wish, Ralph is referred to in the opening credits as "Ralph T. Guard". He is known to also appear in a few episodes of Tiny Toon Adventures known as the Fat Guard, that made cameos here and there.
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